The GRAVITIS™ uses wireless charging technology to charge your devices, cord-free. Gravity keeps your phone in place while you’re driving and charging up. For effortless navigation and one-touch control, use the GRAVITIS™ every time you’re on the road. This charger is compatible with any device that supports Qi wireless charging and charges your device from 2 to 3 hours. Have this charger ready whenever you hit the road by easily putting it in your car's air vent.